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ChemicalBook CAS DataBase List 2-amino-3,6-difluorobenzoic acid
825654-54-4

2-amino-3,6-difluorobenzoic acid synthesis

2synthesis methods
749240-52-6 Synthesis
4,7-DIFLUOROISATIN

749240-52-6
61 suppliers
$65.00/100mg

-

Yield:825654-54-4 100%

Reaction Conditions:

Stage #1: 4,7-difluoroindoline-2,3-dionewith sodium hydroxide;dihydrogen peroxide in water at 20; for 2 h;
Stage #2: with hydrogenchloride at 0;

References:

WO2005/35518,2005,A1 Location in patent:Page/Page column 29